CVE-2021-25434CWE-20

Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using param partition in…

published July 8, 2021

CVSS
—
EPSS
2%
Percentile
76.7
In the wild
Unconfirmed
What it is

⚠️ A straightforward oversight in Tizen's bootloader could lead to arbitrary code execution during wireless firmware updates! Think of it like a hotel that lets unverified guests change the room keys without checking their ID — anyone could walk in and take over. 🏨 This vulnerability could allow an attacker to execute any code they want, potentially compromising the entire system. If exploited, it could lead to unauthorized access and control over devices, leaving users at risk!

Put simply

Think of it like a hotel that lets unverified guests change the room keys without checking their ID — anyone could walk in and take over. 🏨 The improper input validation in the Tizen bootloader allows attackers to manipulate the parameters used during the wireless firmware download process, leading to arbitrary code execution.

What to do

This vulnerability could allow an attacker to execute any code they want, potentially compromising the entire system. If exploited, it could lead to unauthorized access and control over devices, leaving users at risk! To protect yourself from this vulnerability, ensure you're running the firmware updated post-July 2021. Implement strict input validation measures and monitor wireless firmware download operations closely. You've got this! By taking these steps, you'll keep your devices safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01675 · 76.7th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2021-07-08T13:45Z
EPSS history
Timeline
  • 08 JUL 13:45Z
    Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using param partition in…
    cvelistv5